src/frontends/controllers/helper_funcs.C

   1 /**
   2  * \file helper_funcs.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11
  12 #include <config.h>
  13
  14 #include "helper_funcs.h"
  15
  16 #include "gettext.h"
  17
  18 #include "frontends/Alert.h"
  19 #include "frontends/FileDialog.h"
  20
  21 #include "support/filetools.h" // OnlyPath, OnlyFilename
  22 #include "support/globbing.h"
  23
  24 using std::pair;
  25 using std::vector;
  26 using std::string;
  27
  28 // sorry this is just a temporary hack we should include vspace.h! (Jug)
  29 extern const char * stringFromUnit(int);
  30
  31 namespace lyx {
  32
  33 using support::FileFilterList;
  34 using support::MakeAbsPath;
  35 using support::MakeRelPath;
  36 using support::OnlyFilename;
  37 using support::OnlyPath;
  38 using support::prefixIs;
  39
  40 namespace frontend {
  41
  42
  43 string const browseFile(string const & filename,
  44                         string const & title,
  45                         FileFilterList const & filters,
  46                         bool save,
  47                         pair<string,string> const & dir1,
  48                         pair<string,string> const & dir2)
  49 {
  50         string lastPath(".");
  51         if (!filename.empty())
  52                 lastPath = OnlyPath(filename);
  53
  54         FileDialog fileDlg(title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
  55
  56         FileDialog::Result result;
  57
  58         while (true) {
  59                 if (save)
  60                         result = fileDlg.save(lastPath, filters,
  61                                 OnlyFilename(filename));
  62                 else
  63                         result = fileDlg.open(lastPath, filters,
  64                                 OnlyFilename(filename));
  65
  66                 if (result.second.empty())
  67                         return result.second;
  68
  69                 lastPath = OnlyPath(result.second);
  70
  71                 if (result.second.find_first_of("#~$% ") == string::npos)
  72                         break;
  73
  74                 Alert::error(_("Invalid filename"),
  75                         _("Filename can't contain any "
  76                         "of these characters:\n"
  77                         "space, '#', '~', '$' or '%'."));
  78         }
  79
  80         return result.second;
  81 }
  82
  83
  84 string const browseRelFile(string const & filename,
  85                            string const & refpath,
  86                            string const & title,
  87                            FileFilterList const & filters,
  88                            bool save,
  89                            pair<string,string> const & dir1,
  90                            pair<string,string> const & dir2)
  91 {
  92         string const fname = MakeAbsPath(filename, refpath);
  93
  94         string const outname = browseFile(fname, title, filters, save,
  95                                           dir1, dir2);
  96         string const reloutname = MakeRelPath(outname, refpath);
  97         if (prefixIs(reloutname, "../"))
  98                 return outname;
  99         else
 100                 return reloutname;
 101 }
 102
 103
 104 string const browseDir(string const & pathname,
 105                         string const & title,
 106                         pair<string,string> const & dir1,
 107                         pair<string,string> const & dir2)
 108 {
 109         string lastPath(".");
 110         if (!pathname.empty())
 111                 lastPath = OnlyPath(pathname);
 112
 113         FileDialog fileDlg(title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
 114
 115         FileDialog::Result result;
 116
 117         while (true) {
 118                 result = fileDlg.opendir(lastPath,
 119                                 OnlyFilename(pathname));
 120
 121                 if (result.second.empty())
 122                         return result.second;
 123
 124                 lastPath = OnlyPath(result.second);
 125
 126                 if (result.second.find_first_of("#~$% ") == string::npos)
 127                         break;
 128
 129                 Alert::error(_("Invalid filename"),
 130                         _("Filename can't contain any "
 131                         "of these characters:\n"
 132                         "space, '#', '~', '$' or '%'."));
 133         }
 134
 135         return result.second;
 136 }
 137
 138
 139 vector<string> const getLatexUnits()
 140 {
 141         vector<string> units;
 142         char const * str;
 143         for (int i = 0; (str = stringFromUnit(i)); ++i)
 144             units.push_back(str);
 145
 146         return units;
 147 }
 148
 149 } // namespace frontend
 150 } // namespace lyx